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Phase conjugation
About: Phase conjugation is a research topic. Over the lifetime, 3694 publications have been published within this topic receiving 49099 citations.
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TL;DR: In this article, self-pumped phase conjugation experiments in a ring cavity at 1.06 μm in a BaTiO 3 :Rh crystal both in the cw and in the nanosecond regime were presented.
21 citations
TL;DR: In this article, a macroscopic selfconsistent model for external-reflection near-field microscopy together with a similar model for photon scanning tunneling microscopy is used to describe phase conjugation of light that is emitted by a fiber tip placed near a phase-conjugating mirror.
Abstract: A macroscopic self-consistent model for external-reflection near-field microscopy together with a similar model for photon scanning tunneling microscopy is used to describe phase conjugation of light that is emitted by a fiber tip placed near a phase-conjugating mirror. The appropriate relations are obtained for a two-dimensional configuration, and numerical results for various trapezium-shaped fiber tips are presented. This modeling accounts for the main features of recent experiments on phase conjugation of optical near fields and emphasizes the significance of taking into consideration field components that are evanescent in air but propagating in the phase-conjugating mirror. The influence of fiber tip parameters on the spatial confinement of phaseconjugated light is discussed.
21 citations
TL;DR: In this article, four-wave mixing (FWM) in plasmas and its applications to phase conjugation (PC) and plasma diagnostics have been extensively studied.
Abstract: Four-wave mixing (FWM) in plasmas and its applications to phase conjugation (PC) and plasma diagnostics have been extensively studied. Plasmas have received considerable attention, since they become more efficient four-wave mixing and phase conjugation mediums at longer wavelengths (far-infrared approximately 10 mu m to radiowave approximately 10 m) for which there are few other nonlinear mediums. In addition, FWM shows great potential as a plasma diagnostic. Recent advances in the experimental and theoretical study of FWM and PC in plasmas are reviewed. >
21 citations
TL;DR: In this paper, phase conjugation of extremely weak signals using a phase-conjugate mirror based on Mandelstam-Brillouin-enhanced four-wave mixing, coupled with an optical quantum amplifier, is considered.
Abstract: Phase conjugation (PC) of extremely weak signals using a phase-conjugate mirror based on Mandelstam-Brillouin-enhanced four-wave mixing, coupled with an optical quantum amplifier, is considered. PC of a pulse with energy 4*10/sup -17/ J is achieved. PC conditions for amplified superluminescence noise of the optical quantum amplifier are specified and the limiting parameters are estimated. It is shown experimentally that if the signal-to-noise ratio (S/N) is equal to unity, the energy of an input signal for which phase conjugation is possible corresponds to 30 photons per transverse mode. >
21 citations